PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

306503Bolt,machine

Brp Us Inc · NSN 5306-00-121-8154 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-121-8154 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-121-8154. Primary manufacturer part number: 306503.
Features
  • Bolt,machine — FSC 5306
  • Fastener Length: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
  • Features Provided: FINISHED HEAD
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OR SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Head Style: HEXAGON
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Diameter: 0.312 INCHES IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 430 Overall construction
General Description

The Bolt,machine, cataloged under National Stock Number 5306-00-121-8154, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brp Us Inc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-121-8154
Primary Part Number306503
Item NameBolt,machine
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerBrp Us Inc
StatusACTIVE
Fastener Length1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Features ProvidedFINISHED HEAD
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OR SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Head StyleHEXAGON
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.312 INCHES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread Class2A A
Head Height0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM IN
MaterialSTEEL COMP 430 OVERALL
Surface TreatmentPASSIVATE OVERALL
Thread Quantity Per Inch18
Width Between Flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
Thread Length0.875 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
1660-01-662-76583065-03 INTERCHANGEABLE
Housing,air Outlet,aircraft
Aerospace Lighting Corporation
Cross-Reference Index
Part NumberManufacturer
306503 Outboard Marine Corp (USA)
ZB0306503 Zodiac Milpro Australia Pty Ltd (AUS)
306503 Outboard Marine Corp Johnson Motors Div (USA)
306503 PRIMARY Brp Us Inc (USA)
Related Parts
1660-01-662-7658INTERCHANGEABLE
HOUSING,AIR OUTLET,AIRCRAFT
3065-03

Frequently Asked Questions

What is NSN 5306-00-121-8154?

NSN 5306-00-121-8154 is a Bolt,machine, manufactured by Brp Us Inc, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-121-8154?

NSN 5306-00-121-8154 has 4 cross-referenced part numbers: 306503 (Outboard Marine Corp), ZB0306503 (Zodiac Milpro Australia Pty Ltd), 306503 (Outboard Marine Corp Johnson Motors Div), 306503 (Brp Us Inc).

What NSN replaces 5306-00-121-8154?

There is 1 known substitute for 5306-00-121-8154: 1660-01-662-7658. Verify interchangeability with system specifications before substitution.

What are the specifications of 306503?

Key specifications for 306503: Fastener Length: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Features Provided: FINISHED HEAD; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OR AISI ASSN STD SINGLE MATERIAL RESPONSE OR SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Head Style: HEXAGON. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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